/* Activities Page Layout */
.activities-page {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Activity Filters */
.activity-filters {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--color-neutral-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: 8px;
}

.filters-form {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  min-width: 160px;
}

.filter-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-select {
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  border: 1px solid var(--color-neutral-300);
  border-radius: 6px;
  background: var(--color-neutral-white);
  font-size: 0.875rem;
  color: var(--color-neutral-800);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.btn-text {
  background: none;
  border: none;
  color: var(--color-primary-500);
  font-size: 0.875rem;
  cursor: pointer;
  padding: 0.5rem;
  text-decoration: none;
}

.btn-text:hover {
  text-decoration: underline;
}

/* Activity Feed */
.activity-feed {
  background: var(--color-neutral-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: 8px;
  overflow: hidden;
}

/* Activity List */
.activity-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.activity-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-neutral-100);
  transition: background-color 0.15s ease;
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-item:hover {
  background: var(--color-neutral-50);
}

/* Activity Icon */
.activity-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-neutral-100);
  color: var(--color-neutral-600);
}

.activity-icon svg {
  width: 16px;
  height: 16px;
}

/* Icon color variations based on activity type */
.activity--success .activity-icon {
  background: var(--color-success-100);
  color: var(--color-success-600);
}

.activity--info .activity-icon {
  background: var(--color-primary-100);
  color: var(--color-primary-600);
}

.activity--warning .activity-icon {
  background: var(--color-warning-100);
  color: var(--color-warning-700);
}

.activity--primary .activity-icon {
  background: var(--color-primary-100);
  color: var(--color-primary-600);
}

.activity--neutral .activity-icon {
  background: var(--color-neutral-100);
  color: var(--color-neutral-600);
}

/* Activity Content */
.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}

.activity-description {
  font-size: 0.875rem;
  color: var(--color-neutral-700);
  font-weight: 500;
}

.activity-team {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--team-color, var(--color-neutral-600));
  background: color-mix(in srgb, var(--team-color, var(--color-neutral-600)) 15%, transparent);
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.activity-subject {
  margin: 0.25rem 0;
  font-size: 0.9375rem;
  line-height: 1.4;
}

.activity-link {
  color: var(--color-neutral-800);
  text-decoration: none;
  transition: color 0.15s ease;
}

.activity-link:hover {
  color: var(--color-primary-500);
}

.activity-comment-preview {
  margin: 0.375rem 0 0;
  font-size: 0.8125rem;
  color: var(--color-neutral-500);
  font-style: italic;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--color-neutral-400);
  margin-top: 0.375rem;
  display: block;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.empty-state__icon {
  color: var(--color-neutral-300);
  margin-bottom: 1rem;
}

.empty-state__icon svg {
  width: 48px;
  height: 48px;
}

.empty-state__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-neutral-700);
  margin: 0 0 0.5rem;
}

.empty-state__description {
  font-size: 0.9375rem;
  color: var(--color-neutral-500);
  margin: 0;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

/* Pagination */
.pagination {
  padding: 1rem;
  border-top: 1px solid var(--color-neutral-200);
  background: var(--color-neutral-50);
}

.btn-full-width {
  width: 100%;
  display: block;
  text-align: center;
}

/* Error Banner */
.error-banner {
  background: var(--color-error-50);
  border: 1px solid var(--color-error-200);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.error-banner p {
  margin: 0;
  color: var(--color-error-700);
  font-size: 0.9375rem;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .activities-page {
    padding: 1rem;
  }

  .activity-filters {
    padding: 0.75rem;
  }

  .filters-form {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    width: 100%;
  }

  .activity-item {
    padding: 0.875rem 1rem;
  }

  .activity-icon {
    width: 32px;
    height: 32px;
  }

  .activity-icon svg {
    width: 14px;
    height: 14px;
  }

  .activity-description {
    font-size: 0.8125rem;
  }

  .activity-subject {
    font-size: 0.875rem;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* ========================================
 * DARK MODE OVERRIDES
 * ======================================== */

/* Activity Filters */
.dark .activity-filters {
  background: var(--color-surface-dark);
  border-color: var(--color-border-dark);
}

.dark .filter-label {
  color: var(--color-slate-400);
}

.dark .filter-select {
  background-color: var(--color-slate-800);
  border-color: var(--color-border-dark);
  color: var(--color-slate-200);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
}

.dark .filter-select:focus {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(19, 164, 236, 0.2);
}

/* Activity Feed */
.dark .activity-feed {
  background: var(--color-surface-dark);
  border-color: var(--color-border-dark);
}

.dark .activity-item {
  border-bottom-color: var(--color-border-dark);
}

.dark .activity-item:hover {
  background: var(--color-row-hover);
}

/* Activity Icon */
.dark .activity-icon {
  background: var(--color-slate-800);
  color: var(--color-slate-400);
}

.dark .activity--success .activity-icon {
  background: rgba(34, 197, 94, 0.2);
  color: var(--color-success-400);
}

.dark .activity--info .activity-icon {
  background: rgba(19, 164, 236, 0.2);
  color: var(--color-primary-400);
}

.dark .activity--warning .activity-icon {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning-400);
}

.dark .activity--primary .activity-icon {
  background: rgba(19, 164, 236, 0.2);
  color: var(--color-primary-400);
}

.dark .activity--neutral .activity-icon {
  background: var(--color-slate-800);
  color: var(--color-slate-400);
}

/* Activity Content */
.dark .activity-description {
  color: var(--color-slate-300);
}

.dark .activity-link {
  color: var(--color-slate-200);
}

.dark .activity-link:hover {
  color: var(--color-primary-400);
}

.dark .activity-comment-preview {
  color: var(--color-slate-500);
}

.dark .activity-time {
  color: var(--color-slate-500);
}

/* Empty State */
.dark .empty-state__icon {
  color: var(--color-slate-600);
}

.dark .empty-state__title {
  color: var(--color-slate-200);
}

.dark .empty-state__description {
  color: var(--color-slate-400);
}

/* Pagination */
.dark .pagination {
  border-top-color: var(--color-border-dark);
  background: rgba(30, 41, 59, 0.5);
}